Why do I get Turnitin login page when I click on a submission to mark it? Because your browser is blocking third-party cookies. Read on to find out how to disable that setting.
What is an incognito window? Incognito/Private window does not store cookies after you close your browser and can be used for troubleshooting.
How do I stop blocking third party cookies? Step-by-step instructions on how to stop blocking third-party cookies on different browsers.